The present invention provides a compound represented by the formula (I):
(wherein
R
1
is a lower alkyl substituted by a lower alkoxy or a heterocyclic group, or a heterocyclic group;
R
2
is a lower alkyl optionally substituted by a phenyl; and
R
3
is a lower alkyl optionally substituted by a halogen, a lower alkoxy or a phenyl, or a fused polycyclic hydrocarbon group), which is well absorbed orally, exhibits durability of good blood level and has potent calpain inhibitory activity.
本发明提供了一种化合物,其
化学式表示为(I):(其中,R1是一个低烷基,该低烷基被低烷氧基或杂环基取代,或者是一个杂环基;R2是一个低烷基,可选地被苯基取代;R3是一个低烷基,可选地被卤素、低烷氧基或苯基取代,或者是一个融合的多环碳氢基),该化合物口服吸收良好,血液
水平持久,具有强大的
钙蛋白酶抑制活性。